diff mbox series

[PATCH-for-5.0,04/11] hw/input/adb-kbd: Remove dead assignment

Message ID 20200321114615.5360-5-philmd@redhat.com (mailing list archive)
State New, archived
Headers show
Series misc: Trivial static code analyzer fixes | expand

Commit Message

Philippe Mathieu-Daudé March 21, 2020, 11:46 a.m. UTC
Fix warning reported by Clang static code analyzer:

    CC      hw/input/adb-kbd.o
  hw/input/adb-kbd.c:200:5: warning: Value stored to 'olen' is never read
      olen = 0;
      ^      ~

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/input/adb-kbd.c | 1 -
 1 file changed, 1 deletion(-)

Comments

BALATON Zoltan March 21, 2020, 12:58 p.m. UTC | #1
On Sat, 21 Mar 2020, Philippe Mathieu-Daudé wrote:
> Fix warning reported by Clang static code analyzer:
>
>    CC      hw/input/adb-kbd.o
>  hw/input/adb-kbd.c:200:5: warning: Value stored to 'olen' is never read
>      olen = 0;
>      ^      ~
>
> Reported-by: Clang Static Analyzer
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> hw/input/adb-kbd.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/hw/input/adb-kbd.c b/hw/input/adb-kbd.c
> index 0ba8207589..b0565be21b 100644
> --- a/hw/input/adb-kbd.c
> +++ b/hw/input/adb-kbd.c
> @@ -197,7 +197,6 @@ static int adb_kbd_poll(ADBDevice *d, uint8_t *obuf)
>     int keycode;
>     int olen;
>
> -    olen = 0;
>     if (s->count == 0) {
>         return 0;
>     }

Is this variable still needed at all? Looks like it's a remnant after 
a1f4971863 that can now only return 0 or 2 so you could just remove this 
variable and return 2 where now it's assigned as 2 or change return olen 
at the end to return 2 or maybe keep olen and change the return 0 above to 
return olen to silence warning but I think this could be cleaned up.

Regards,
BALATON Zoltan
diff mbox series

Patch

diff --git a/hw/input/adb-kbd.c b/hw/input/adb-kbd.c
index 0ba8207589..b0565be21b 100644
--- a/hw/input/adb-kbd.c
+++ b/hw/input/adb-kbd.c
@@ -197,7 +197,6 @@  static int adb_kbd_poll(ADBDevice *d, uint8_t *obuf)
     int keycode;
     int olen;
 
-    olen = 0;
     if (s->count == 0) {
         return 0;
     }